:root {
  --bg: #07101d;
  --bg-soft: #0c1727;
  --surface: #111f32;
  --surface-2: #162840;
  --text: #f6f8fb;
  --muted: #a8b6c9;
  --line: rgba(255,255,255,.10);
  --accent: #6ee7b7;
  --accent-2: #38bdf8;
  --dark: #04101b;
  --radius: 24px;
  --shadow: 0 24px 80px rgba(0,0,0,.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; padding: 10px 16px; background: var(--accent); color: #052016; border-radius: 10px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(7,16,29,.76);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: .25s ease;
}
.site-header.scrolled { border-color: var(--line); background: rgba(7,16,29,.94); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; font-weight: 900; color: #072016; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 10px 30px rgba(110,231,183,.18); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.05; letter-spacing: .04em; }
.brand-copy strong { font-size: 15px; }
.brand-copy small { margin-top: 5px; font-size: 9px; color: var(--muted); letter-spacing: .18em; }
.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav a { color: #d8e1ec; font-size: 14px; transition: .2s; }
.main-nav a:hover { color: var(--accent); }
.lang-switch { display: flex; padding: 4px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.04); }
.lang-btn { border: 0; background: transparent; color: var(--muted); width: 32px; height: 28px; border-radius: 999px; cursor: pointer; }
.lang-btn.active { color: #062018; background: var(--accent); font-weight: 800; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 1px solid var(--line); background: transparent; border-radius: 12px; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--text); }

.hero { position: relative; min-height: 820px; display: grid; place-items: center; overflow: hidden; background: radial-gradient(circle at 18% 20%, rgba(56,189,248,.14), transparent 35%), radial-gradient(circle at 85% 30%, rgba(110,231,183,.16), transparent 30%), linear-gradient(180deg, #07101d 0%, #081421 100%); }
.hero-grid { position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to bottom, black, transparent 82%); }
.hero-inner { position: relative; padding-top: 128px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 13px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1,h2,h3,p { margin-top: 0; }
h1 { margin-bottom: 26px; font-size: clamp(46px, 6vw, 78px); line-height: 1.08; letter-spacing: -.04em; }
.hero-lead { max-width: 670px; margin-bottom: 32px; color: #c1ccda; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 14px; font-weight: 800; font-size: 14px; transition: .2s; }
.btn-primary { color: #052117; background: var(--accent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(110,231,183,.20); }
.btn-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.04); }
.btn-secondary:hover { background: rgba(255,255,255,.08); }
.trust-row { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 36px; color: #dbe7f2; font-size: 13px; }
.trust-row span::before { content: "✓"; margin-right: 8px; color: var(--accent); font-weight: 900; }
.hero-visual { position: relative; min-height: 500px; }
.visual-card { position: absolute; overflow: hidden; border: 1px solid rgba(255,255,255,.15); border-radius: 26px; box-shadow: var(--shadow); background: var(--surface); }
.visual-card img { height: 100%; object-fit: cover; }
.card-main { inset: 70px 35px 50px 25px; transform: rotate(-2deg); }
.card-small { width: 175px; height: 175px; border-radius: 23px; }
.top-card { top: 10px; right: 0; transform: rotate(7deg); }
.bottom-card { bottom: 0; left: 0; transform: rotate(-7deg); }
.orb { position: absolute; border-radius: 999px; filter: blur(1px); }
.orb-a { right: 35px; bottom: 32px; width: 85px; height: 85px; background: rgba(110,231,183,.24); }
.orb-b { left: 20px; top: 60px; width: 55px; height: 55px; background: rgba(56,189,248,.30); }

.section { padding: 110px 0; }
.section-heading h2 { margin-bottom: 18px; font-size: clamp(34px, 4vw, 54px); line-height: 1.18; letter-spacing: -.035em; }
.section-heading > p:last-child { max-width: 720px; color: var(--muted); }
.section-heading.centered { max-width: 760px; margin: 0 auto 54px; text-align: center; }
.section-heading.centered > p:last-child { margin-left: auto; margin-right: auto; }
.two-col { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; align-items: start; }
.about { background: #f4f7fb; color: #102036; }
.about .eyebrow { color: #087f5b; }
.about-copy { padding: 36px; border-radius: var(--radius); background: white; box-shadow: 0 25px 65px rgba(12,31,52,.10); }
.about-copy p { color: #40526a; }
.about-copy p:last-child { margin-bottom: 0; }

.products { background: linear-gradient(180deg, #0a1524, #07101d); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.product-card { min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(150deg, rgba(255,255,255,.07), rgba(255,255,255,.025)); transition: .25s; }
.product-card:hover { transform: translateY(-6px); border-color: rgba(110,231,183,.36); }
.product-card .icon { display: grid; place-items: center; width: 50px; height: 50px; margin-bottom: 30px; border-radius: 14px; color: #052016; font-weight: 900; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.product-card h3 { margin-bottom: 12px; font-size: 20px; }
.product-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.service-bands { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: var(--line); }
.service-bands div { padding: 25px 28px; background: var(--surface); }
.service-bands strong { display: block; margin-bottom: 6px; color: var(--accent); }
.service-bands span { color: var(--muted); font-size: 14px; }

.gallery { color: #102036; background: #f4f7fb; }
.gallery .eyebrow { color: #087f5b; }
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.gallery-item { position: relative; min-height: 250px; margin: 0; overflow: hidden; border-radius: 20px; background: #fff; box-shadow: 0 18px 48px rgba(10,31,52,.10); }
.gallery-item.wide { grid-column: span 2; }
.gallery-item img { height: 100%; min-height: 250px; object-fit: cover; transition: .35s; }
.gallery-item.card-product img { object-fit: contain; padding: 16px; background: #f8fafc; }
.gallery-item:hover img { transform: scale(1.035); }
.gallery-item figcaption { position: absolute; inset: auto 12px 12px; padding: 10px 12px; border-radius: 12px; color: #fff; font-size: 13px; font-weight: 700; background: rgba(4,14,25,.82); backdrop-filter: blur(10px); }

.advantages { background: #081421; }
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.adv-item { padding: 28px; border-left: 2px solid var(--accent); background: rgba(255,255,255,.035); }
.adv-item > span { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 22px; color: #052016; border-radius: 50%; background: var(--accent); font-weight: 900; }
.adv-item h3 { margin-bottom: 10px; }
.adv-item p { margin: 0; color: var(--muted); font-size: 14px; }

.contact { background: linear-gradient(135deg, #062a25, #0b3650); }
.contact-card { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 54px; border: 1px solid rgba(255,255,255,.14); border-radius: 28px; background: rgba(3,13,23,.44); box-shadow: var(--shadow); }
.contact-card h2 { margin-bottom: 16px; font-size: clamp(30px, 4vw, 48px); }
.address { color: #d4e5ec; font-size: 18px; }
.domain { display: inline-block; color: var(--accent); font-weight: 800; }
.contact-badge { flex: 0 0 165px; height: 165px; display: grid; place-items: center; align-content: center; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); background: radial-gradient(circle at 30% 30%, rgba(110,231,183,.28), rgba(255,255,255,.04)); }
.contact-badge span { font-size: 46px; line-height: 1; font-weight: 900; }
.contact-badge small { margin-top: 8px; color: var(--muted); }

.site-footer { padding: 52px 0 24px; background: #030a12; }
.footer-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; padding-bottom: 34px; border-bottom: 1px solid var(--line); }
.footer-grid p { color: var(--muted); font-size: 13px; }
.disclaimer { margin-bottom: 0; }
.copyright { padding-top: 22px; color: #78899e; font-size: 12px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .main-nav { position: fixed; left: 20px; right: 20px; top: 86px; display: none; flex-direction: column; align-items: stretch; padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: #0a1625; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .menu-toggle { display: block; }
  .lang-switch { order: 3; }
  .hero { min-height: auto; padding: 80px 0 90px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { min-height: 460px; }
  .two-col { grid-template-columns: 1fr; gap: 30px; }
  .product-grid, .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1180px); }
  .nav-wrap { min-height: 70px; gap: 10px; }
  .brand-copy { display: none; }
  .lang-switch { margin-left: 2px; }
  .hero-inner { padding-top: 70px; gap: 36px; }
  h1 { font-size: 42px; }
  .hero-lead { font-size: 16px; }
  .hero-actions .btn { width: 100%; }
  .hero-visual { min-height: 350px; }
  .card-main { inset: 45px 18px 35px 18px; }
  .card-small { width: 118px; height: 118px; }
  .section { padding: 78px 0; }
  .about-copy { padding: 24px; }
  .product-grid, .adv-grid, .service-bands, .gallery-grid, .footer-grid { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: auto; }
  .gallery-item { min-height: 310px; }
  .gallery-item img { min-height: 310px; }
  .contact-card { padding: 32px 24px; align-items: flex-start; flex-direction: column; }
  .contact-badge { width: 120px; height: 120px; flex-basis: 120px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}